shielding

US /ˈʃiːl.dɪŋ/
UK /ˈʃiːl.dɪŋ/
1.

che chắn

sheets of metal, plastic, etc. used to protect workers or other people from harmful materials, diseases, radiation, etc.:

:
The shielding protected the astronaut from the searing temperatures generated by the high-velocity descent.